package swe.servlet;

import java.io.IOException;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import swe.article.ArticleManager;

/**
 * Servlet implementation class ViewCategorie
 */
@WebServlet("/ViewCategory")
public class ViewCategory extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public ViewCategory() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		
		ArticleManager am = (ArticleManager) getServletContext().getAttribute("aManager");
		
		if(request.getParameter("id") != null) {
			int id = Integer.parseInt(request.getParameter("id"));		
			request.setAttribute("articleList", am.listFromCategory(id));
		} else {
			request.setAttribute("articleList", am.listArticles());
		}
		
		RequestDispatcher view = request.getRequestDispatcher("listArticles.jsp");
		view.forward(request, response);
		
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
	}

}
